Nature's biggest mammal swims in landlocked Oklahoma.

This historic folk art garden contains a nightmare tower that claims to be the world's largest concrete totem pole.

When you can afford only half a road, you build only half a road.

This historic theater's pipe organ still accompanies silent films just like it did in 1929.

The modest childhood home where the baseball legend and Yankees star learned to hit from both sides of the plate.

This historic motel standing at the "crossroads of America" offers a radio in every room and was saved by local protesters.

One of the world's earliest skyscrapers.

The Old Courthouse takes visitors on a captivating trip through St. Louis' timeline.

Fresh wooden posts have been added to ancient holes to recreate a primitive henge clock.

Once one of the world's great cities, Cahokia was a place of religious worship, trade and mass human sacrifice before being mysteriously abandoned.

This historic Illinois "Muffler Man" has been converted from axe-touting lumberjack to rocket-wielding space ace.

Fragments of architectural wonders from around the globe are embedded in the newspaper building's walls.

A little-known subterranean street runs under some of the best-known buildings in Chicago's River North.

The iconic Chicago sculpture hides a beautiful and easily overlooked plaque on the backside.

A journey begins with a single step, and for many, the road-trip of a lifetime started at this Chicago intersection.

Each of these gorgeous, intricately decorated rooms is painstakingly crafted to the scale of 1 inch: 1 foot.

The twin towers in this Chicago fountain use 50 foot tall video screens to spit on people.

These pretty kitties killed and ate as many as 135 railway workers.

How did a 2,000-year-old Roman column find its way to a Chicago park?

When he found his hometown was no more, Lowell Davis decided to recreate a "new" ghost town from scratch.

A plaque on the side of a parking garage marks the burial place of a great Ottawa chief.

Man-made geyser that rises to the exact height of the Gateway Arch.

The so-called "Father of Las Vegas" had the city's first telephone installed in his office in 1907.

The second-largest gold nugget in existence, displayed in a Las Vegas casino conveniently named the Golden Nugget.